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Comparing rxvt-unicode/src/perl/selection (file contents):
Revision 1.14 by root, Fri Jan 6 20:50:58 2006 UTC vs.
Revision 1.20 by root, Thu Jan 12 03:32:56 2006 UTC

7 and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection); 7 and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection);
8 8
9 () 9 ()
10} 10}
11 11
12# "find interetsing things"-patterns
12my @patterns = ( 13my @mark_patterns = (
14 qr{([[:alnum:]]+)},
15
16 # common "parentheses"
17 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x,
18 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x,
19 qr{ \{ ([^{}]+?) \} }x,
20 qr{ \[ ([^{}]+?) \] }x,
21
13 # urls, just a heuristic 22 # urls, just a heuristic
14 qr{( 23 qr{(
15 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 24 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
16 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27(),~] # do not include a trailing dot, its wrong too often 25 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic)
17 )}x, 26 )}x,
18 27
19 # common forms of quoting 28 # shell-like argument quoting, basically always matches
20 qr{(?:^|\s) [‘`] ([^‘`’']+) [’'] (?:\s|$)}x,
21
22 # shell-like argument quoting
23 qr{\G [\ \t|&;<>()] *( 29 qr{\G [\ \t|&;<>()] *(
24 (?: 30 (?:
25 [^\\"'\ \t|&;<>()]+ 31 [^\\"'\ \t|&;<>()]+
26 | \\. 32 | \\.
27 | " (?: [^\\"]+ | \\. )* " 33 | " (?: [^\\"]+ | \\. )* "
28 | ' [^']* ' 34 | ' [^']* '
29 )+ 35 )+
30 )}x, 36 )}x,
31); 37);
32 38
33my $x = "‘hallole’"; 39# "correct obvious? crap"-patterns
40my @simplify_patterns = (
41 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
42 qr{^(.*)[,\-]$}, # strip off trailing , and -
43);
34 44
35sub on_sel_extend { 45sub on_sel_extend {
36 my ($self) = @_; 46 my ($self) = @_;
37 47
38 my ($row, $col) = $self->selection_mark; 48 my ($row, $col) = $self->selection_mark;
39 my $line = $self->line ($row); 49 my $line = $self->line ($row);
40 my $offset = $line->offset_of ($row, $col);
41 my $text = $line->t; 50 my $text = $line->t;
51 my $markofs = $line->offset_of ($row, $col);
52 my $curlen = $line->offset_of ($self->selection_end)
53 - $line->offset_of ($self->selection_beg);
42 54
55 my @matches;
56
43 for my $regex (@patterns) { 57 for my $regex (@mark_patterns) {
44 while ($text =~ /$regex/g) { 58 while ($text =~ /$regex/g) {
45 if ($-[1] <= $offset and $offset <= $+[1]) { 59 if ($-[1] <= $markofs and $markofs <= $+[1]) {
46 $self->selection_beg ($line->coord_of ($-[1])); 60 my $ofs = $-[1];
47 $self->selection_end ($line->coord_of ($+[1])); 61 my $match = $1;
48 return 1; 62
63 push @matches, [$ofs, length $match];
64
65 for my $regex (@simplify_patterns) {
66 if ($match =~ $regex) {
67 $match = $1;
68 $ofs += $-[1];
69 }
70 }
71
72 push @matches, [$ofs, length $match];
49 } 73 }
50 } 74 }
51 } 75 }
52 76
53 () 77 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
78 my ($ofs, $len) = @$_;
79
80 next if $len <= $curlen;
81
82 $self->selection_beg ($line->coord_of ($ofs));
83 $self->selection_end ($line->coord_of ($ofs + $len));
84 return 1;
85 }
86
87 # whole line
88 $self->selection_beg ($line->beg, 0);
89 $self->selection_end ($line->end, $self->ncol);
90
91 return 1;
54} 92}

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